var express = require('express');

// ----------crawling modules---------------
var puppeteer = require('puppeteer');
var gmarket = require('./crawling/gmarket');
var coupang = require('./crawling/coupang');
var auction = require('./crawling/auction');
//------------------------------------------

const request = require('request');
const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
const TOKEN = 'LFi+FvOOFOydz0EKN22WRnQyiilnEiyxe2HVV1WrI54Jnght6+Gga07m7pxqSQltBJG2AV2lYnYOAk4TqxzZFKW9R36CJcQs+NaNEiNKJtgBfT/t3tEta/J6GtXxGz/DqdHnfZqSSfLFpXzun/ITTwdB04t89/1O/w1cDnyilFU='

//-----------------Translating moudules----------------------
const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
const PAPAGO_ID = 'r_kuebFKCqBeL3SI_dFb'
const PAPAGO_SECRET = 'Wdz2tudrzB'
var trans = require('./trans/trans')
//-----------------------------------------------------------

const fs = require('fs');
const path = require('path');
const HTTPS = require('https');
const domain = "www.chatbotshin.tk"
const sslport = 23023;
const bodyParser = require('body-parser');

//-----target language verification--------------
var trans_dest = 'target=en';   // defualt = english
var trans_trigger = 0;
//-----------------------------------------------

var app = express();

//------middlewares------------------------------
app.use(bodyParser.json());

//--------------------Utility Selector----------------------------------------------------------------
app.post('/hook', function (req, res) {

    //-------- request values ---------
    var eventObj = req.body.events[0];
    var source = eventObj.source;
    var message = eventObj.message;
    //---------------------------------

    //---------------- request log------------------------------------------------
    console.log('======================', new Date() ,'======================');
    console.log('[request]', req.body);
    console.log('[request source] ', eventObj.source);
    console.log('[request message]', eventObj.message);
    //----------------------------------------------------------------------------

    // language identification & translation
    if(eventObj.message.text.indexOf('/번역')){
        trans.trans_lng_selector();     // trans_trigger -> 1
    }
    else if(trans_trigger==1){
        translating(eventObj.replyToken, eventObj.message.text);
    }
        
    
    

    res.sendStatus(200);
});


try {
    const option = {
      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
    };
  
    HTTPS.createServer(option, app).listen(sslport, () => {
      console.log(`[HTTPS] Server is started on port ${sslport}`);
    });
  } catch (error) {
    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
    console.log(error);
  }